A barbell weight set includes a bar, collars and an array of weight plates packaged in one box. You have to start using them immediately. They remove the guesswork of assembling a system that works piece by piece, so theyβre ideal for home gyms. Both standard and Olympic versions are available, with a variety of total weights that can be held. They are great for beginners who are learning to lift and veteran lifters who are progressing on core compound moves. The best value and most useful place to get started on a power training space